Update app.py

app.py

@@ -18,7 +18,8 @@ def inference(img):
   #mask = np.dstack([mask, mask, mask]) / 255
   #out = img * mask
 
-  out = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY )
+  #out = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY ) # grayscale
+  out = cv2.threshold(img, 120, 255, cv2.THRESH_TRUNC) 
   #kernel = cv2.getStructuringElement(cv2.MORPH_RECT, kernelSize)
   #opening = cv2.morphologyEx(gray, cv2.MORPH_OPEN, kernel)